402424000400 has 60 divisors (see below), whose sum is σ = 967094000832. Its totient is φ = 160924590720.

The previous prime is 402424000337. The next prime is 402424000409. The reversal of 402424000400 is 4000424204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (402424000409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310357 + ... + 1588043.

Almost surely, 2^402424000400 is an apocalyptic number.

402424000400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402424000400 is an abundant number, since it is smaller than the sum of its proper divisors (564670000432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402424000400 is a wasteful number, since it uses less digits than its factorization.

402424000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281328 (or 281317 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 402424000400 its reverse (4000424204), we get a palindrome (406424424604).

The spelling of 402424000400 in words is "four hundred two billion, four hundred twenty-four million, four hundred", and thus it is an aban number.